import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    private final static String pattern = "h.*a.*c.*k.*e.*r.*r.*a.*n.*k";

    private static Pattern r = Pattern.compile(pattern);
    
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int q = in.nextInt();
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            
            System.out.println(r.matcher(s).find() ? "YES" : "NO");
        }
    }
}